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Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Shandong Fengzhiye Petroleum Machinery Co Ltd has submitted a patent application for Machining Device and Method for Cylinder Sleeve Sealing Ring Groove. This invention was developed by Ding Haisuo, Xu Jipeng, Kou Yuliang, Zhang Xiwei and Ding Yuhao.
The patent application number is CN202510377463 20250328..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Xi'an Shiyou University has applied Chinese patent for Auxiliary Aligning Support for Unconventional Oil and Gas Logging. Yin Shuai developed it.
The patent application number is CN202510247130 20250304. The patent publication number is CN120007110 (A). International Patent Classification codes are E21B17/..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Taiyuan Heavy Industry has applied Chinese patent for Gearbox and Intermittent Contact Type Oil Gas Overflow Prevention Device Thereof. Qian Hong, Liang Jingfu, Ji Kefeng, Liu Yan, Zheng Yingmei, Wang Fang, Liu Xiaoqing and Zhang Hui developed it.
The patent application number is CN202510198775 20250224. T..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- United States Patent for Power Management at a Wellsite has been issued to Schlumberger Technology. This invention was developed by Wyman Paul, Krippner Nick, Garcia Mateo and Pemmasani Vinay Krishna.
The patent application number is US202418786825 20240729. The patent publication number is US12494669 (B2..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Praxair Tech Inc and Linde for Methods for Gas Phase Selective Etching of Silicon-germanium Layers. Sinha Ashwini K, Ma Ce, Reinicker Aaron and Athalye Atul M developed the invention.
The patent application number is US202117793816 20210407. The p..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Schlumberger Technology for Integrated Authentication System and Method. Siegmund Frederik, Kannan Rajkumar and Singh Waikhom Imocha developed the invention.
The patent application number is US202117906866 20210324. The patent publication number is ..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Chevron USA for Systems and Methods for Analyzing Clusters of Type Curve Regions as a Function of Position in a Subsurface Volume of Interest. Prochnow Shane J developed the invention.
The patent application number is US202318096986 20230113. The pa..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Saudi Arabian Oil Company has been granted a patent for Flange Integrity Classification Using Artificial Intelligence. This invention was developed by Mishra Siddharth, Trigui Hassane, Patel Sahejad, Alnumay Yazeed, Albrahim Ahmed, Alrasheed Ali and Alsheikh Mohammed.
The patent application number is US20..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received Guangdong Huijiang Hydrogen Energy Industry Engineering Tech Research Co Ltd patent application for Water Treatment Method After Secondary Aluminum Ash Hydrogen Production. Wang Siyi, Zhang Dakang, Kuang Wenhui, Kuang Junshen, Zhang Yulu and Zhao Junli ..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has released PetroChina patent application for Track Ball Valve. This invention was developed by Xiao Gang, Liu Yanchang, Li Hongfu, Zhao Qifeng, Jia Yangang, Li Wei, You Bing, Guo Jianhui, Qi Mingye, Wang Piao and Lang Jing.
The patent application number is CN2023..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published PetroChina patent application for Tubular Pump Lower Jet Flow Multiplier. The invention was developed by Ma Xiaoyan, Tang Qing, Han Tao, Jin Manku, Zhao Liuyang, Liu Chengyuan and Wang Miaodi.
The patent application number is CN202311519398 20231114. ..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has applied Chinese patent for ABS (acrylonitrile Butadiene Styrene) Resin with Excellent Processability and Preparation Method Thereof. Kang Ning, Lu Shulai, Hu Huilin, Song Zhenbiao, Sun Chunfu, Zhao Xueyou and Kong Xinyue developed it.
The patent application number is CN202311510880 20231114...
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Beijing Institute of Petrochemical Technology has sought patent for Multi-phase Separator Cyclone Desanding Assembly and Desanding Device for Oil and Gas Gathering and Transportation Treatment. This invention was developed by Chen Jiaqing, Wu Bi, Shi Yi, Shang Chao, Chen Xiangyu, Ji Yipeng and Liu Meili.
T..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has sought patent for Crude Oil Flash Evaporation Stable Cyclone Feeder and Feeding Method Thereof. This invention was developed by Su Shaowen, Liang Libao, Pan Youqiang, Xie Peng, An Guoqiang, Zhang Lu, Wen Yongcai, Ma Tianhu, Zhang Jianhua, Wu Yang, Duan Chao and Elken Zaydan.
The patent applica..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China University of Petroleum, East China patent application for Preparation Method and Application of Oil-soluble Terpolymer Thick Oil Viscosity Reducer. Hou Yingfei, Qiao Liang, Liu Xinliang and Wang Ming developed the invention.
The patent applicati..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published Langfang Haida Petroleum Natural Gas Tech Co Ltd patent application for Liquid Level Alarm System for Infusion Bag. The invention was developed by Dai Wenjia, Yang Zhanhai and Xu Xiao.
The patent application number is CN202510330816 20250320. The pa..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- Linde has filed a patent application for Method and Plant for Treating a Pyrolysis Oil. This invention was developed by Schödel Nicole and Tota Akos.
The patent application number is EP20240020180 20240605. The patent publication number is EP4660283 (A1). International Patent Classification codes are B01D5..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- Basell Poliolefine Italia has filed a patent application for Polypropylene Compositions Containing Recycled Polyolefins. This invention was developed by Cavalieri Claudio, Hees Timo and Camurati Isabella.
The patent application number is EP20240180605 20240606. The patent publication number is EP4660239 (A1)...
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- Basell Poliolefine Italia has submitted a patent application for Polypropylene Compositions Containing Recycled Polyolefin. This invention was developed by Hees Timo and Cavalieri Claudio.
The patent application number is EP20240180594 20240606. The patent publication number is EP4660238 (A1). International P..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- European Patent Office has released Basell Poliolefine Italia patent application for Polyolefin Compositions Comprising Recycled Polyolefins and Propylene Homopolymer. This invention was developed by Hees Timo.
The patent application number is EP20240180601 20240606. The patent publication number is EP4660237..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Saudi Arabian Oil Company has been granted a patent for Temporary Trap Door Cap. Al Shammari Mohammed N developed the invention.
The patent application number is US202318317737 20230515. The patent publication number is US12492775 (B2). International Patent Classification codes are F16J13/02, F16L55/115 a..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- United States Patent for Enhanced Oil Recovery Using Fatty Acid Salts has been issued to Saudi Arabian Oil Company and King Fahd University of Petroleum & Minerals. This invention was developed by Ayirala Subhash, Gmira Ahmed, Solling Theis, Binabdi Ali and Yousef Ali.
The patent application number is U..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Baker Hughes Oilfield Operations has secured a patent on Side Pocket Mandrel with Direct Check Valves. Brown Donavan developed the invention.
The patent application number is US202318389566 20231114. The patent publication number is US12492619 (B2). International Patent Classification codes are E21B23/03 ..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Baker Hughes Oilfield Operations for Tree Adapter and Tubing Hanger Interface Tool System and Method. Bay Yew Jack, Watts Andrew and Boyle Calum developed the invention.
The patent application number is US202418621847 20240329. The patent publicatio..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 13 -- Sinopec Oilfield Service and Hunan Drilling Branch Sinopec Southwest Petroleum Eng Co Ltd have been granted a patent for Hydraulic Shackle Device for High-pressure Union. This invention was developed by Xiao Yang, Ma Qianjin, Zhang An, Zhang Chengxue, Wang Zhenhu, Hu Wei, Hu Zhaofeng, Liu Siyu, Zhang Zhijun a..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has released PetroChina patent application for Biolipid Hydroisomerization Catalyst and Preparation Method Thereof. This invention was developed by Dai Man, Gao Shan, Feng Sihan, Li Yinghui, Guo Hongyu, Jiang Wei, Wang Weizhong, Wang Dongjun, Ge Tengjie and Liu Yanf..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has sought patent for Organic Plugging Agent, Preparation Method Thereof and Application of Organic Plugging Agent to Inhibition of Invasion of Sagd Steam Cavity Edge Water. This invention was developed by Chen Xiaokai, An Jiuquan, Chen Lei, Liu Qiang, He Qiang, Ma Yue, Yang Sibo, Liu Yuqi, Mou Don..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China University of Petroleum, East China has submitted a patent application for High-performance Ultralow-temperature Drilling Fluid System as Well as Preparation Method and Application Thereof. This invention was developed by Sun Jinsheng, Huang Ning, Liu Jingping, Lyu Kaihe, Wang Jintang, Bai Yingrui, Huan..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to King Abdullah Univ Of Science and Technology and Saudi Arabian Oil Company for System and Method for Applied Artificial Intelligence in Azimuthal Electromagnetic Imaging. Ooi Guang An, Larbi Zeghlache Mohamed, Ahmed Shehab, Mostafa Tarek, Khater Mout..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Saudi Arabian Oil Company has secured a patent on Intelligent Underbalanced Coiled Tubing Drilling (ubctd) Geosteering Operations Advisory System and Method of Use. Katterbauer Klemens, Alshehri Abdallah A, Ghamdi Tareq and Alyousef Ali Abdallah developed the invention.
The patent application number is US..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Halliburton Energy Services has been granted a patent for Sealing Element with Sloped Ends. Thomas Reena, Helms Lonnie Carl and Villarreal Frank Vinicia Acosta developed the invention.
The patent application number is US202218145134 20221222. The patent publication number is US12492608 (B2). International..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Halliburton Energy Services has obtained a patent for hydrated metal carbonate for carbon capture and underground storage. This invention was developed by Sonat Cem, Fripp Michael Linley and Mahendran Mathusan.
The patent application number is US202218078552 20221209. The patent publication number is US12..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has filed a patent application for Automatic Control and Regulation Device for Adding Agent into Crude Oil Pipeline and Use Method of Automatic Control and Regulation Device. This invention was developed by Li Yuanyuan, Li Hongfu, Zhang Guilan, Yang Lei, Li Yan, Wang Xi, Yang Hao, Wen Songqing, Guo..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has applied Chinese patent for Device and Method for Realizing Pressurized Recovery of Sulfur-containing Flash Steam Based on Fuel Gas Injection. Yang Luyao, Ji Weian, Yu Lei, Chen Songlin, Chen Xin and Wang Feng developed it.
The patent application number is CN202311526605 20231116. The patent pu..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has applied Chinese patent for Maintenance Device for Driving Rope of Oil Pumping Unit. Chen Chunxiang, Jia Chunguang, Feng Mengmeng, Li Guofeng, Wang Zhengrong, Chen Liang, Jin Guoqing, Liu Jiangsong, Lu Xin and Chen Ye developed it.
The patent application number is CN202311524664 20231115. The p..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has submitted a patent application for N-type Oil Pipe Blind Plug Based on Prefabricated Casing Pipe Seating Pup Joint and Using Method of N-type Oil Pipe Blind Plug. Jiang Yuan, Yin Qiang, Zhang Yidan, Yu Bing, Luo Yingsheng and Deng Wu developed the invention.
The patent application number is CN..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published China Petroleum & Chemical, Sinopec Oilfield Service and Sinopec Petroleum Engineering & Construction Shengli patent application for Stepping Type Pipe Pushing Machine. The invention was developed by Wang Limin, Chen Guolong, Li Xiaobin, Chen Wanwen, L..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has submitted a patent application for Lubricating Oil Supplementary Hydrofining Catalyst and Preparation Method Thereof. This invention was developed by Liu Kunhong, Wu Pei, Xie Bin, Wang Jiayi, Ju Yana, Zhang Zhanquan, Lei Junwei, Li Yang, Lee Young-kwan and Zhang Yalin.
The patent application n..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has sought patent for Catalytic Cracking Catalyst with High Activity and Low Coke Yield and Preparation Method Thereof. This invention was developed by Hu Tao, Yang Deheng, Du Xiaohui, Liu Tao, Sun Dejian, Zhang Jianzhong, Ren Shihong, Zhu Kui, Zhang Hairui and Sun Hao.
The patent application numb..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd patent application for Integrated Molecular Sieve Membrane Reactor as Well as Preparation Method and Application Thereof. The invention was developed by Chen Chong, Lyu ..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd patent application for Scale Depositing Device and Hydrogenation Reactor Using Scale Depositing Device. This invention was developed by Tang Yujia, Li Xin, Han..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China University of Petroleum, East China has submitted a patent application for Supergravity Reactor for Decarburization of Phase Change Absorbent and Working Method. This invention was developed by Joo Keon Ro, Hao Liang, Li Yuxing, Nie Qi, Han Hui and Hu Qihui.
The patent application number is CN202510426..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- European Patent Office has received Weatherford Technology patent application for Contingency Release of Mill from Whipstock. Pray Jeffery Scott and Teale David W developed the invention.
The patent application number is EP20250211024 20211012. The patent publication number is EP4660419 (A2). International Pa..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- United States Patent for Crystallite Size in Rock Samples has been issued to Chevron USA. This invention was developed by Stokes Rebecca, Montgomery Paul and Rathbun Andrew P.
The patent application number is US202018003469 20200701. The patent publication number is US12493023 (B2). International Patent C..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has applied Chinese patent for Method for Quickly Realizing Geological Imaging Map by Web. Wang Baiyu, Sueyasu, Duan Fei, Wang Lijun, Zhao Jinling, Zhang Dejun, Huang Huaye, Yang Tongyuan, Wang Jun and Liu Feiyang developed it.
The patent application number is CN202311519342 20231115. The patent p..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Shenzhen Branch China National Offshore Oil has sought patent for Micro-acidification Underground Formation Testing Device and Micro-acidification Method Based on Micro-acidification Underground Formation Testing Device. This invention was developed by Lei Guowen, Guan Lijun and He Zejun.
The patent applicat..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has sought patent for Electromagnetic Monitoring Crack Parameter Identification Method and Device. This invention was developed by Wu Jianfa, Xu Ersi, Zeng Bo, Tang Jianrong, Ng How Yong, Zhang Dongjun, Li Wei, Zhong Guanghai and Jing Chen.
The patent application number is CN202311521267 20231115...
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China University of Petroleum, Beijing has submitted a patent application for Method and Device for Determining Horizontal Well Fracturing Hole Cluster Spacing. Xian Chenggang, Chen Xin, Li Caoxiong, Cao Wei, Hao Qiang, Zhang Muyang and Liu Yunyi developed the invention.
The patent application number is CN20..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has applied Chinese patent for Method and System for Inhibiting Edge Water Breakthrough of Steam Cavity. Chen Xiaokai, An Jiuquan, Chen Lei, Liu Qiang, Ma Yue, Yang Sibo, Liu Yuqi, Sun Zhenyu, He Qiang, Mou Dongmei, Han Xingbo, Lu Hongjun, Zeng Shuanghong, Xi Chunting, Chen Danqi, Guan Zijun, Qi Yi..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Tianjin Dagang Oilfield Bingang Group Bohong Petroleum Chemical has filed a patent application for Gas Boost Injection System and Method. This invention was developed by Liu Cunhui, Zhang Jing, Xiao Jinsong, Zhou Chuanchen, Yang Mingli, Ren Xiaxia, Wang Xiaoyan, Li Jiazhen, Tian Fuchun, Zhu Lin and Zhao Yuhao..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published PetroChina patent application for Integrated Multifunctional Gas Production Device Suitable for Continuous Gas Production Pipe and Use Method. The invention was developed by Han Qianghui, Bai Xiaohong, Yang Xudong, Zhao Binbin, Xie Yonggang, Tian Wei, ..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published China Petroleum & Chemical Corp Henan Oilfield Branch Oil Production Plant No 1 patent application for Remaining Oil Re-enrichment Rule Exploration Method Based on Long-term Plugging Layer. The invention was developed by Zhang Chao, Huang Yongqiang and..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received PetroChina patent application for Tool for Quickly Adjusting Anti-impact Distance of Oil Pumping Unit. Wang Bin, Wei Jingyu, Zhang Xingyong, Chen Xue, Wang Enwei, Zhang Ting, Hu Songhao, Wang Jun, Yan Bing and Zhang Hao developed the invention.
The pat..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has filed a patent application for Small-diameter Bridge Plug Setting Tool and Assembling Method Thereof. This invention was developed by Li Ming, Li Wenzhe, Yin Qiang, Yang Yunshan, Zhang Hantao and Mei Lei.
The patent application number is CN202311532443 20231116. The patent publication number i..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Northeast Petroleum University has submitted a patent application for High-reliability Self-locking Core Catcher for Fidelity Coring Device. This invention was developed by Cao Jiangang, Dong Kangxing, Li Jinbo, Song Wei, Yang Hukun, Wen Pengyun, Jiang Xuepeng and Zhao Xinrui.
The patent application number i..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has released Sinopec Group; Sinopec Oilfield Service; Sinopec Jingwei Co Ltd; Geological Measurement And Control Tech Research Institute Of Sinopec Jingwei Co Ltd patent application for Guiding Well Drilling Device Controlled by Single Motor. This invention was deve..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- ExxonMobil Technology and Engineering has filed a patent application for System and Method for Estimating Catalyst Trim Effectiveness in Mixed Metallocene Catalysts for Polymerization Processes. This invention was developed by Gong Liezhong and Stevens Kevin A.
The patent application number is EP20240708279 2..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- United States Patent for Adhesion Devices for Transport Assemblies to Engage Non-metallic Surfaces has been issued to Saudi Arabian Oil Company. This invention was developed by Halawani Abdulwahab, Patel Sahejad, Nour Maha and Amer Ayman.
The patent application number is US202318192423 20230329. The paten..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Jiangsu Jinzhuo Construction Eng Co Ltd has submitted a patent application for Natural Gas Efficient Residual Pressure Power Generation System. This invention was developed by Sun Yanfeng, Li Ye and Deng Yuquan.
The patent application number is CN202510503776 20250422. The patent publication number is CN12..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Shengli Oilfield patent application for Novel Method for Calculating Borehole Wall Collapse Pressure of Fractured Shale Formation. Zhou Hanguo, Wang Aimin, He Wenqing, Wang Faming, Wei Bingke, Xu Liming, Liu Xifeng..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published Sinopec Group, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd and Geological Measurement and Control Tech Research Institute Of Sinopec Jingwei Co Ltd patent application for Large Dynamic Amplification Front-end Circuit and Implementation Method Ther..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd patent application for Low-shrinkage Thermoplastic Polyvinyl Alcohol Film as Well as Preparation Method and Application Thereof. The invention was developed by Hu Zhen a..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has submitted a patent application for Well Depth Measuring Method and Device and Storage Medium. This invention was developed by Choi Young-bok, Chen Feixu, Pei Guangping, Wang Xingjun, Wang Guowei, Deng Jianfeng, Lei Ganglin, Xu Kaichi, Guo Nianmin, Chen Xueqiang, Zhou Xu, Zhong Hai and Luo Siwan..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has submitted a patent application for Method for Determining Upper and Lower Dead Points of Beam-pumped Well. This invention was developed by Fang Rui, Zheng Xiaoxiong, Yang Tao, Mi Lifei and Ren Guishan.
The patent application number is CN202311517378 20231114. The patent publication number is C..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has submitted a patent application for Metering Method, Device and Equipment for Fluid Production Capacity of Beam-pumped Well and Medium. This invention was developed by Fang Rui, Zheng Xiaoxiong, Mi Lifei, Yang Tao, Ren Guishan, Chen Xuemei, Wu Xiaowen and Wang Cunbo.
The patent application numb..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has released PetroChina patent application for Failure Detection Method and Device for Double-packer-section Well Completion Pipe String. This invention was developed by Li Yufei, Gong Hao, Fan Yu, Tang Geng, Liu Qiang and Zhang Lin.
The patent application number i..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has released China Petroleum & Chemical; Sinopec Beijing Chemical Research Institute Co Ltd patent application for Flaky Fiber Cloth Carrier as Well as Preparation Method and Application Thereof. This invention was developed by Li Changjin, Li Jie, Qi Liya, Li Xiaom..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has published PetroChina patent application for External Electron Donor, Olefin Polymerization Catalyst System and Application. The invention was developed by Zhou Tianda, Cheng Pengfei, Fan Jie, Yang Lin, Ma Chunye, Zhu Dongrong, Ma Wenhui, Li Qian, Li Huayi and Lu..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to China University of Petroleum Beijing for Experiment Device for Spudcan Penetration and Pullout of Jack-up Rig. Yin Qishuai, Yang Jin, Xu Dongsheng, Fu Chao and Wei Bo developed the invention.
The patent application number is US202117410219 20210824..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Entegris for Precursor Delivery Systems for Determining Material Levels. Battle Scott L, Cardozo Benjamin and Parker Chase developed the invention.
The patent application number is US202217959792 20221004. The patent publication number is US12492471..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Baker Hughes Oilfield Operations for Method of Treating a Subterranean Formation with Delayed Acid System. Palm Dustin, Debenedictis Frances H, Hudson Harold Gene and Berry Sandra L developed the invention.
The patent application number is US2023181..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- United States Patent for Stabilized CO2 Foam Compositions for Subterranean Fracturing Applications and Compositions Related Thereto has been issued to Saudi Arabian Oil Company and King Fahd University of Petroleum & Minerals. This invention was developed by Karadkar Prasad Baburao, Harbi Bader G, Khan Saf..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- IFP Energies nouvelles has secured a patent on Method for Obtaining a Purified Diester Effluent by Depolymerising a Polyester Comprising Opaque Polyethylene Terephthalate. Chiche David, Leinekugel Le Cocq Damien and Bounie Christine developed the invention.
The patent application number is US202017786101 ..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has sought patent for Monolithic Nano Array Electrocatalyst and Preparation Method Thereof. This invention was developed by Xia Bowen, Wang Yanfei, Yu Yinglong, He Yeheng, Shao Chenyi, Long Chuan, Wang Jingjing and Zeng Yue.
The patent application number is CN202311530158 20231116. The patent publ..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- European Patent Office has published Saudi Arabian Oil patent application for Method and System for Seismic Adaptive Multiple Subtraction Using Structure-oriented Matching Filters. The invention was developed by Sui Yuhan, Ma Yue, Liu Hongwei and Zhang Dongliang.
The patent application number is EP20230919083..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- European Patent Office has published Services Petroliers Schlumberger and GeoQuest Systems patent application for Methods and Computing Systems for Implementing Amplitude Inversion. The invention was developed by Cavalca Maud and Fletcher Robin P.
The patent application number is EP20240771463 20240308. The..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- Saudi Arabian Oil has sought patent for Updating Subsurface Structural Maps with Well-measured Orientation Data While Preserving Local Geological Structures. This invention was developed by Ma Yue, Ji Xu and Albinhassan Nasher Muqbel.
The patent application number is EP20230919082 20230203. The patent publica..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- Weatherford Technology has applied European patent for Gas Injection Operational Safety for Subterranean Wells. Iglesias Danilo and Porto Virgilio M developed it.
The patent application number is EP20230841082 20231227. The patent publication number is EP4658875 (A1). International Patent Classification codes..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- European Patent Office has published Entegris patent application for Wet Etch Formulations and Related Methods. The invention was developed by Hickox Hunter Patrick, Das Atanu K, Hsu Chia-jung and Lippy Steven A.
The patent application number is EP20240751069 20240201. The patent publication number is EP46588..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- U.S. Patent and Trademark Office has awarded a patent to Baker Hughes Holdings for Industrial Borescope System with Adjustable Stiffness Insertion Tube. Tang Andrew, Coombs Kevin and Mittelstaedt Brian developed the invention.
The patent application number is US202218072149 20221130. The patent publicatio..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- European Patent Office has published ExxonMobil Technology and Engineering patent application for Modified Polyethylene and Articles Made Therefrom. The invention was developed by Li Wen, Silva Adriana S, Cheng Jianya, Dunaway David B, Ravishankar Periagaram S, Lue Ching-tai, Rix Francis C and Jiang Peijun.
T..
Oil & Gas
| Mon 15 Dec 2025
Alexandria, Dec. 15 -- Saudi Arabian Oil Company has been granted a patent for Pipeline Descaling Tool. This invention was developed by Aulia Fahmi, Almuaibid Abdulrahman F and Haldar Surajit.
The patent application number is US202418772436 20240715. The patent publication number is US12491545 (B2). International Patent Classif..
Oil & Gas
| Mon 15 Dec 2025
Munich, Dec. 15 -- Socpra Sciences et Genie has filed a patent application for Target Gas Capture Process and System Using Supersonic Flow. This invention was developed by Brouillette Martin, Vezina Gabriel, Eldakamawy Mohamed Hossam, Grebe Aurélie Ada, Gagne Antoine and Chartrand David.
The patent application number is EP20..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 13 -- Sinopec Oilfield Service, Sinopec Petroleum Engineering Geophysics Co Ltd and Shengli Branch of Sinopec Petroleum Eng Geophysics Co Ltd have secured a patent on Special Multifunctional Cleaning Machine for Geophysical Prospecting. Yu Li, Liang Xiaoteng, Feng Jirong, Yang Xibing, Chen Guoning, Chen Zhiqing, Cu..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- PetroChina has submitted a patent application for Phosphorus-free Pre-filming Agent, Preparation Method Thereof and Water-cooling Heat Exchanger Pre-filming Method. This invention was developed by Jiang Jingjing, Huang Lihua, Huang Ganghua, Fan Rui, Tang Yongfan, Peng Zicheng, Guo Xiaoxiong, Huang Hongfa and ..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 13 -- Zhanjiang Branch of China National Offshore Oil and Zhanjiang Branch of China France Bohai Geoservices Co Ltd have secured a patent on Rock Debris Receiving and Taking Device. Chen Pei, Liu Shining, Chen Ming, Zhong Peng, Hu Yitao, Liu Ting, Liu Lidong, Wei Xiaoxin, Ando Rei and Fu Qunchao developed the inven..
Oil & Gas
| Fri 12 Dec 2025
Beijing, Dec. 13 -- China Petroleum & Chemical and Jianghan Oilfield Branch of China Petroleum & Chemical have been granted a patent for Insertion Pipe Packer and Water Injection Pipe Column. This invention was developed by Li Zeji, Xu Zhongqi, Hou Guangcheng, Zheng Ruibo, Su Zhenghong and Wang Shengsheng.
The patent applicat..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received Beijing Institute of Technology patent application for Device and Method for Regulating and Controlling Gas Content Based on Freeze-thaw Method. Song Mengjie, Zhang Xuan, Gao Runmiao, Zhang Long, Gao Yubo and Zhen Zekang developed the invention.
The ..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have applied Chinese patent for Polyglycoside Gemini Anionic and Nonionic Surfactant, Composition and Preparation Method and Application of Polyglycoside Gemini Anionic and Nonionic Surfactant. Wu Xinyue, Zhang Weidong, Jin Jun..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd patent application for Method for Treating Mixed Alcohol Waste and Heavy Alcohol Waste. Shi Qian, Zhu Yuehui, Shao Huawei, Guo Liang, Chen Guanyu, Li Yan and Luo Shujuan d..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd patent application for Method for Extracting Lithium. Zhao Chong, Luan Jinyi, Zhang Xinmiao and Zhao Muhua developed the invention.
The patent application number is CN2..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- Changqing Eng Design Co Ltd and PetroChina have applied Chinese patent for Flash Steam Recovery System and Method for Gas Collection Station. Zhou Nini, Yang Guang, An Weijie, Li Dongsheng, Wang Lihua and Feng Bo developed it.
The patent application number is CN202311514824 20231114. The patent publication..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd patent application for Bio-based Surfactant as Well as Preparation Method and Application Thereof. Meng Yong, Zhang Weidong, Jin Jun, Bao Xinning and Li Yingcheng develop..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd patent application for Polyamine Multi-hydrophilic-head-based Anionic Surfactant, Surfactant Composition, Oil-displacing Agent and Application of Polyamine Multi-hydrophi..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd patent application for Soil Treatment Agent Composition, Soil Treatment Agent and Application Thereof. Qiu Yun, Shen Zhiqin, He Xiujuan and Chen Xiaolu developed the inve..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have applied Chinese patent for Functional Temporary Plugging Material as Well as Preparation Method and Application Thereof. Li Yingcheng, Su Zhiqing, Bai Yu, Sun Hui, Sun Shengjie and Wang Lan developed it.
The patent appl..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have applied Chinese patent for Nanofiltration Membrane as Well as Preparation Method and Application Thereof. Liu Yiqun, Li Yu, Pan Guoyuan, Zhang Yang, Yu Hao, Zhao Muhua, Zhao Guoke and Tang Gongqing developed it.
The pate..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have applied Chinese patent for Modified Porous Carrier as Well as Preparation Method and Application Thereof. Chen Chong, Lyu Jiangang, Liu Bo, Shao Yi, Wang Yunzheng and Zhou Haichun developed it.
The patent application nu..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have applied Chinese patent for Polystyrene Composition, Polystyrene Elastomer Particles, and Polystyrene Foam. Xu Yaohui, Song Zhihai, Lyu Mingfu, Liu Jianye, Guo Peng, Zhang Shijun, Qi Guicun, Zhang Xiaochen, Liu Zhenjie and D..
Oil & Gas
| Sun 14 Dec 2025
Beijing, Dec. 15 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd patent application for Polyethylene and Ethylene-vinyl Alcohol Copolymer Composition with Good Mechanical Properties and Application Thereof. Yao Xuerong, Liu Xuanbo, Zhen..
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